Seiko Cal. 4438 - 252

Seiko 4438-252

This Hand-Winding model from 1989 features a 42mm Titanium case. Powered by the 4438 caliber with 36j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-9cf83554f0c5]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1989

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