Seiko Cal. 3861 - 371

The 3861-371 is a sought-after Solar piece from Seiko's golden era. Powered by the 3861 caliber with 33j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-b151b03beaa6]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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