Seiko Cal. 3894 - 663

Released in 1985, the Cal. 3894 with design code 663 was part of Seiko's domestic market collection. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-641ea0ad0101]

Also known as: Monster, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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