Seiko Cal. 5646 - 372

The Seiko 5646-372 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-6f2e6ae6c55b]

Also known as: Navigator, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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