Seiko Cal. 7156 - 738

The 7156-738 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7156 caliber with 30j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-5dc115e781cb]

Also known as: Shogun, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1967

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