Seiko Cal. 5241 - 257

This Spring Drive model from 1977 features a 38mm Titanium case. Powered by the 5241 caliber with 21j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-f6d631370f16]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

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