Seiko Cal. 3871 - 529

This Hand-Winding model from 1971 features a 46mm Two-Tone case. Powered by the 3871 caliber with 27j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-3f2a4b51e9ca]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

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