Seiko Cal. 5643 - 872

Seiko 5643-872

The Seiko 5643-872 represents an important milestone in Seiko's 1969 lineup. Powered by the 5643 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-56194ab6828a]

Also known as: Helmet, Sea Horse

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
10.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1969

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seikata-wm-56194ab6828a