Seiko Cal. 3817 - 740

The Seiko 3817-740 represents an important milestone in Seiko's 1985 lineup. Powered by the 3817 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-05b19268b5a0]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1985

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