Seiko Cal. 7156 - 766

The 7156-766 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7156 caliber with 35j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-0b31ee430251]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1975

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