Seiko Cal. 6231 - 756

Seiko 6231-756

This Hand-Winding model from 1968 features a 36mm Hardlex-Coated Steel case. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-6985a5d732bd]

Also known as: Helmet, Crown

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
9.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1968

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seikata-wm-6985a5d732bd