Seiko Cal. 3817 - 491

The Seiko 3817-491 represents an important milestone in Seiko's 1969 lineup. Powered by the 3817 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-cb7ced82e1ac]

Also known as: Rally, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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