Seiko Cal. 6628 - 263

The Seiko 6628-263 represents an important milestone in Seiko's 1972 lineup. Powered by the 6628 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-5aef04cae9a1]

Also known as: Monster, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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