Seiko Cal. 6621 - 373

The Seiko 6621-373 represents an important milestone in Seiko's 1986 lineup. Powered by the 6621 caliber with 30j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-fe2290c7d38f]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1986

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