Seiko Cal. 5644 - 232

Seiko 5644-232

The Seiko 5644-232 represents an important milestone in Seiko's 1992 lineup. Powered by the 5644 caliber with 17j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-8abef3f44a33]

Also known as: Sumo, Rally

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1992

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