Seiko Cal. 3831 - 665

Seiko 3831-665

The 3831-665 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8b7d6c6f1439]

Also known as: Rally

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
70m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1966

Related Models

seikata-wm-8b7d6c6f1439