Seiko Cal. 3817 - 879

This Spring Drive model from 1995 features a 39mm Gold-Plated case. Powered by the 3817 caliber with 26j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-64898a92a71b]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1995

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