Seiko Cal. 6645 - 940

The Seiko 6645-940 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-3201c4647996]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1965

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