Seiko Cal. 3828 - 638

This Spring Drive model from 1969 features a 40mm Titanium case. Powered by the 3828 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-16d19f3a9714]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1969

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