Seiko Cal. 6236 - 657

This Spring Drive model from 1983 features a 40mm Stainless Steel case. Powered by the 6236 caliber with 24j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-f5c7bc063cc2]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1983

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