Seiko Cal. 4557 - 622

This Spring Drive model from 1996 features a 45mm Hardlex-Coated Steel case. Powered by the 4557 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-48f1eef66d2b]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1996

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