Seiko Cal. 6131 - 432

The 6131-432 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6131 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-0a51ad472aa0]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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