Seiko Cal. 4423 - 766

The Seiko 4423-766 represents an important milestone in Seiko's 1968 lineup. Powered by the 4423 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c1eb5102fb65]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1968

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