Seiko Cal. 5620 - 521

Released in 1967, the Cal. 5620 with design code 521 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-d8fd5ae69647]

Also known as: Turtle, Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1967

Related Models

• Seiko 5264-260
• Seiko 4588-394
• Seiko 6235-202
• Seiko 4445-998
• Seiko 6196-960
• Seiko 4553-762
• Seiko 7078-611
• Seiko 5275-768
• Seiko 4579-398
• Seiko 0764-975
• Seiko 7126-281
• Seiko 5625-553