Seiko Cal. 3871 - 675

This Quartz model from 1965 features a 40mm Gold-Plated case. With its 21mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-4cb3e7720ecd]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1965

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