Seiko Cal. 3858 - 375

Seiko 3858-375

This Spring Drive model from 1965 features a 43mm Gold-Plated case. Powered by the 3858 caliber with 30j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-3ceea84c53ae]

Also known as: World Timer, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Navy
Jewels
30j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1965

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