Seiko Cal. 6623 - 378

The Seiko 6623-378 represents an important milestone in Seiko's 1992 lineup. Powered by the 6623 caliber with 29j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-9d15bd27cd94]

Also known as: Tuna, Goldfeather

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1992

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