Seiko Cal. 3815 - 150

The Seiko 3815-150 represents an important milestone in Seiko's 1968 lineup. Powered by the 3815 caliber with 32j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-dbed96cda05a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1968

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