Seiko Cal. 4427 - 798

This Hand-Winding model from 1965 features a 35mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-104ad1ef609e]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1965

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