Seiko Cal. 3811 - 251

Seiko 3811-251

This Hand-Winding model from 1969 features a 43mm Hardlex-Coated Steel case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1f15bd3a5d61]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1969

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