Seiko Cal. 6231 - 434

The 6231-434 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6231 caliber with 22j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-2af14c441c59]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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