Seiko Cal. 4437 - 128

The Seiko 4437-128 represents an important milestone in Seiko's 1969 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-c316053ab31d]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1969

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