Seiko Cal. 4442 - 721

Seiko 4442-721

This Hand-Winding model from 1977 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8ed7a7970afa]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
14.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Burgundy
Jewels
20j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1977

Related Models

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