Seiko Cal. 5644 - 304

Seiko 5644-304

This Automatic model from 1974 features a 45mm PVD Black case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-6f493c5c218a]

Also known as: Rally, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1974

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