Seiko Cal. 3828 - 650

The Seiko 3828-650 represents an important milestone in Seiko's 1973 lineup. Powered by the 3828 caliber with 36j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-93192e51305a]

Also known as: Pogue, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1973

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