Seiko Cal. 6381 - 540

The Seiko 6381-540 represents an important milestone in Seiko's 1999 lineup. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-c3359215d8ab]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1999

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