Seiko Cal. 4436 - 823

The Seiko 4436-823 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-330d0aa2ad83]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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