Seiko Cal. 6381 - 990

The Seiko 6381-990 represents an important milestone in Seiko's 1997 lineup. Powered by the 6381 caliber with 35j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-91dff0c98ba1]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1997

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