Seiko Cal. 7131 - 869

The 7131-869 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-f8ecad8ea7ef]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1985

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