Seiko Cal. 7177 - 933

The 7177-933 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7177 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-1213e33ccd1d]

Also known as: Bullhead, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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