Seiko Cal. 3861 - 668

Seiko 3861-668

The 3861-668 is a sought-after Solar piece from Seiko's golden era. Powered by the 3861 caliber with 36j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-6ffb775450d2]

Also known as: Tuna, Rally

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1986

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