Seiko Cal. 3817 - 237

Seiko 3817-237

The 3817-237 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-bc69c4386f3c]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
130m
Dial Color
Black
Jewels
34j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1980

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