Seiko Cal. 5644 - 416

Seiko 5644-416

This Solar model from 1978 features a 40mm PVD Black case. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-f6430b4c25cb]

Also known as: Panda, Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
10.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Cream
Jewels
20j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1978

Related Models

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