Seiko Cal. 4438 - 835

The 4438-835 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-c52dd7c6d56e]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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