Seiko Cal. 5639 - 872

Seiko 5639-872

The Seiko 5639-872 represents an important milestone in Seiko's 1985 lineup. Powered by the 5639 caliber with 31j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-0ead6a5fba10]

Also known as: Samurai, Monster

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1985

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