Seiko Cal. 3827 - 670

This Quartz model from 1969 features a 37mm Hardlex-Coated Steel case. Powered by the 3827 caliber with 33j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-50e447f09909]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1969

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