Seiko Cal. 7172 - 877

The Seiko 7172-877 represents an important milestone in Seiko's 1971 lineup. Powered by the 7172 caliber with 19j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-51b9ea36eb4e]

Also known as: Bellmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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