Seiko Cal. 6623 - 697

Released in 1991, the Cal. 6623 with design code 697 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-eefa52fe7ac4]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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