Seiko Cal. 6645 - 816

The Seiko 6645-816 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-279a1b6d7d3f]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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