Seiko Cal. 7156 - 613

The 7156-613 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7156 caliber with 18j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-55f25621751f]

Also known as: Bullhead, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1968

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