Seiko Cal. 3815 - 591

The Seiko 3815-591 represents an important milestone in Seiko's 1965 lineup. Powered by the 3815 caliber with 20j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-48cc2472abb4]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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