Seiko Cal. 7131 - 843

The 7131-843 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7131 caliber with 36j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-d688cf62f1a4]

Also known as: Shogun, Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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