Seiko Cal. 3821 - 936

This Quartz model from 1971 features a 41mm Hardlex-Coated Steel case. Powered by the 3821 caliber with 17j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-ec845614ae6d]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1971

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