Seiko Cal. 4552 - 643

The Seiko 4552-643 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-b38854eba2a2]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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