Seiko Cal. 6623 - 828

The Seiko 6623-828 represents an important milestone in Seiko's 1983 lineup. Powered by the 6623 caliber with 20j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-a0283c7f48ea]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1983

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