Seiko Cal. 6623 - 955

Released in 1991, the Cal. 6623 with design code 955 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-4da03ddf5ae0]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1991

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