Seiko Cal. 6645 - 379

The Seiko 6645-379 represents an important milestone in Seiko's 1992 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9db298130280]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1992

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