Seiko Cal. 5256 - 811

This Hand-Winding model from 1978 features a 37mm Titanium case. Powered by the 5256 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-6ca8b85aabee]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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