Seiko Cal. 5639 - 611

Seiko 5639-611

This Kinetic model from 1974 features a 44mm Titanium case. Powered by the 5639 caliber with 31j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-2e4a68a0d13d]

Also known as: Sportsmatic

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Burgundy
Jewels
31j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1974

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