Seiko Cal. 5646 - 819

The Seiko 5646-819 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-c319219e199a]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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