Seiko Cal. 4557 - 625

The Seiko 4557-625 represents an important milestone in Seiko's 1971 lineup. Powered by the 4557 caliber with 34j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-92a457c3ba66]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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