Seiko Cal. 4436 - 661

This Spring Drive model from 1966 features a 35mm Titanium case. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-b540b41f9aa9]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1966

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