Seiko Cal. 4457 - 553

This Hand-Winding model from 1991 features a 37mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-a6f0be6944a5]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1991

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