Seiko Cal. 4420 - 353

This Hand-Winding model from 1975 features a 36mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-fc26f13a1d39]

Also known as: Samurai, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1975

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