Seiko Cal. 3815 - 446

The Seiko 3815-446 represents an important milestone in Seiko's 1977 lineup. Powered by the 3815 caliber with 18j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-c04cfdf97f0d]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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