Seiko Cal. 7131 - 983

This Hand-Winding model from 1995 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-aa86a6bb8388]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1995

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