Seiko Cal. 3861 - 707

Seiko 3861-707

The Seiko 3861-707 represents an important milestone in Seiko's 1976 lineup. Powered by the 3861 caliber with 29j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ae05d6f5feda]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Burgundy
Jewels
29j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1976

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