Seiko Cal. 5644 - 555

Seiko 5644-555

This Hand-Winding model from 1970 features a 37mm Titanium case. Powered by the 5644 caliber with 19j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-87ac889f0585]

Also known as: Turtle, Pogue

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Cream
Jewels
19j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1970

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