Seiko Cal. 4437 - 617

The 4437-617 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-2833b4a6b77b]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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