Seiko Cal. 3860 - 693

Seiko 3860-693

The Seiko 3860-693 represents an important milestone in Seiko's 1974 lineup. Powered by the 3860 caliber with 20j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-278c26008cd9]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
10.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Green
Jewels
20j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1974

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seikata-wm-278c26008cd9