Seiko Cal. 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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