Seiko Cal. 3865 - 157

Seiko 3865-157

The Seiko 3865-157 represents an important milestone in Seiko's 1976 lineup. Powered by the 3865 caliber with 19j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3dca8c9d4ca1]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
190m
Dial Color
Green
Jewels
19j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1976

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