Seiko Cal. 5646 - 360

Released in 1981, the Cal. 5646 with design code 360 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-a804caa89bfd]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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