Seiko Cal. 4557 - 625

Seiko 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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