Seiko Cal. 6381 - 971

Released in 1975, the Cal. 6381 with design code 971 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-2af3deb3c1ec]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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