Seiko Cal. 3819 - 997

The Seiko 3819-997 represents an important milestone in Seiko's 1966 lineup. Powered by the 3819 caliber with 35j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-57bd725ab3a1]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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