Seiko Cal. 3817 - 737

Seiko 3817-737

This Spring Drive model from 1981 features a 44mm Two-Tone case. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-570ef9f34531]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
44mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1981

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seikata-wm-570ef9f34531