Seiko Cal. 4428 - 490

Seiko 4428-490

This Hand-Winding model from 1970 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3b23cb0b4abc]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
31j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1970

Related Models

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