Seiko Cal. 4436 - 647

The Seiko 4436-647 represents an important milestone in Seiko's 1988 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-5ddb3da27f8e]

Also known as: Navigator, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1988

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