Seiko Cal. 6384 - 644

The Seiko 6384-644 represents an important milestone in Seiko's 1996 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2ed7ccfc2e53]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

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