Seiko Cal. 3831 - 486

Seiko 3831-486

The 3831-486 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-0b9c23d2b8d8]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Navy
Jewels
25j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1970

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