Seiko Cal. 7131 - 105

This Spring Drive model from 1988 features a 40mm Gold-Plated case. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-0ba1105a998b]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

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