Seiko Cal. 5616 - 306

Released in 1977, the Cal. 5616 with design code 306 was part of Seiko's domestic market collection. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6f9cdc1be2f4]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

Related Models

• Seiko 6329-506
• Seiko 6185-703
• Seiko 7044-933
• Seiko 4522-128
• Seiko 5648-622
• Seiko 7145-818
• Seiko 3853-927
• Seiko 4594-285
• Seiko 4438-570
• Seiko 3890-246
• Seiko 6318-309
• Seiko 4595-533