Seiko Cal. 6381 - 899

This Hand-Winding model from 1999 features a 39mm Two-Tone case. Powered by the 6381 caliber with 35j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-5c93a8b6be2c]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1999

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