Seiko Cal. 5691 - 144

Released in 1973, the Cal. 5691 with design code 144 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-76111f3bd94c]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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