Seiko Cal. 5620 - 438

Released in 1989, the Cal. 5620 with design code 438 was part of Seiko's domestic market collection. Powered by the 5620 caliber with 23j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-120dfeb9141d]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1989

Related Models

• Seiko 6226-379
• Seiko 6139-385
• Seiko 0712-583
• Seiko 5278-514
• Seiko 7067-742
• Seiko 3836-796
• Seiko 0799-343
• Seiko 6167-961
• Seiko 5287-395
• Seiko 3875-399
• Seiko 6625-453
• Seiko 7012-523