Seiko Cal. 6644 - 434

Seiko 6644-434

This Automatic model from 1978 features a 40mm Stainless Steel case. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-94ff21ec062d]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1978

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