Seiko Cal. 5231 - 192

This Automatic model from 1997 features a 37mm Gold-Plated case. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-2bd2a0126080]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1997

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