Seiko Cal. 3811 - 237

Seiko 3811-237

The Seiko 3811-237 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e8f15d454310]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1966

Related Models

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