Seiko Cal. 5690 - 623

This Kinetic model from 1971 features a 40mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-94f6ef276aa0]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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