Seiko Cal. 4438 - 891

Seiko 4438-891

This Hand-Winding model from 1968 features a 43mm Stainless Steel case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-f550232d530d]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
25j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1968

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seikata-wm-f550232d530d