Seiko Cal. 3817 - 307

The Seiko 3817-307 represents an important milestone in Seiko's 1992 lineup. Powered by the 3817 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-ebda33ee8a5a]

Also known as: Monster, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1992

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