Seiko Cal. 5645 - 544

The 5645-544 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-9caa264810c1]

Also known as: Bullhead, Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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