Seiko Cal. 4437 - 742

Seiko 4437-742

This Hand-Winding model from 1969 features a 42mm Two-Tone case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-98d5e50242db]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
42mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
190m
Dial Color
Black
Jewels
18j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1969

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