Seiko Cal. 5644 - 341

Seiko 5644-341

This Hand-Winding model from 1978 features a 36mm Titanium case. Powered by the 5644 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-a3c561870c6f]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Navy
Jewels
19j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1978

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