Seiko Cal. 3860 - 918

Seiko 3860-918

The 3860-918 is a sought-after Solar piece from Seiko's golden era. Powered by the 3860 caliber with 18j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-05d6159c23bf]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
45mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
18j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1976

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