Seiko Cal. 7177 - 691

The Seiko 7177-691 represents an important milestone in Seiko's 1993 lineup. Powered by the 7177 caliber with 20j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-c6b82b4019b5]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1993

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