Seiko Cal. 3891 - 680

This Spring Drive model from 1965 features a 42mm Two-Tone case. Powered by the 3891 caliber with 30j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-3b5a829def46]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1965

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