Seiko Cal. 6628 - 644

The 6628-644 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9cf5dc29352c]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1966

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