Seiko Cal. 4423 - 963

The Seiko 4423-963 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-43365d323374]

Also known as: Turtle, Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1985

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