Seiko Cal. 7171 - 677

The Seiko 7171-677 represents an important milestone in Seiko's 1977 lineup. Powered by the 7171 caliber with 29j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-9ef2477b489e]

Also known as: Samurai, Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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