Seiko Cal. 4436 - 177

The Seiko 4436-177 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-1ed359ef830f]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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