Seiko Cal. 7131 - 221

This Hand-Winding model from 1991 features a 39mm Gold-Plated case. With its 19mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-92e63baac8e2]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1991

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