Seiko Cal. 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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