Seiko Cal. 6644 - 928

The Seiko 6644-928 represents an important milestone in Seiko's 1970 lineup. Powered by the 6644 caliber with 22j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-eb44dcdf7b18]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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