Seiko Cal. 6131 - 891

This Spring Drive model from 1994 features a 39mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-b6f060d1a77a]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1994

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