Seiko Cal. 3871 - 700

This Spring Drive model from 1975 features a 45mm Gold-Plated case. Powered by the 3871 caliber with 25j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-3beab4008b6f]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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