Seiko Cal. 5644 - 470

The Seiko 5644-470 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-e1a4e09a5879]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1975

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