Seiko Cal. 7131 - 110

This Automatic model from 1990 features a 36mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-f1836e32cea3]

Also known as: Bellmatic, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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