Seiko Cal. 6381 - 406

Released in 1977, the Cal. 6381 with design code 406 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-0e72121e9d9f]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1977

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