Seiko Cal. 6628 - 964

The Seiko 6628-964 represents an important milestone in Seiko's 1985 lineup. Powered by the 6628 caliber with 21j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-47356da5ee79]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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