Seiko Cal. 6645 - 997

The 6645-997 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-835be2ae19ec]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1965

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