Seiko Cal. 7177 - 641

The Seiko 7177-641 represents an important milestone in Seiko's 1981 lineup. Powered by the 7177 caliber with 18j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-10d5f43b560e]

Also known as: Shogun, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1981

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