Seiko Cal. 6623 - 497

This Spring Drive model from 1993 features a 42mm Hardlex-Coated Steel case. Powered by the 6623 caliber with 24j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-17e0616fb059]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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