Seiko Cal. 7131 - 655

The Seiko 7131-655 represents an important milestone in Seiko's 1992 lineup. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-e13149f6fa02]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1992

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