Seiko Cal. 7131 - 899

The 7131-899 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7131 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d2261eb560f0]

Also known as: Shogun, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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