Seiko Cal. 4430 - 276

Seiko 4430-276

This Hand-Winding model from 1971 features a 34mm Titanium case. With its 19mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-3ecbf198d565]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1971

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seikata-wm-3ecbf198d565