Seiko Cal. 5251 - 891

This Hand-Winding model from 1974 features a 39mm Hardlex-Coated Steel case. Powered by the 5251 caliber with 22j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-3594d8aeb272]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

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