Seiko Cal. 6381 - 647

The 6381-647 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-95bb5e8ea196]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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