Seiko Cal. 4423 - 758

The Seiko 4423-758 represents an important milestone in Seiko's 1969 lineup. Powered by the 4423 caliber with 19j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-e4efe75d5de2]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1969

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