Seiko Cal. 3831 - 136

Seiko 3831-136

The 3831-136 is a sought-after Solar piece from Seiko's golden era. Powered by the 3831 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-e51d99dd7c06]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
36mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Cream
Jewels
36j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1967

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