Seiko Cal. 5657 - 231

This Automatic model from 1991 features a 45mm Gold-Plated case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-825430560779]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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