Seiko Cal. 4438 - 857

Seiko 4438-857

This Automatic model from 1970 features a 43mm Titanium case. Powered by the 4438 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-67cff5392a1b]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
43mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Cream
Jewels
36j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1970

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seikata-wm-67cff5392a1b