Seiko Cal. 4435 - 631

This Quartz model from 1970 features a 42mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-d4264804e182]

Also known as: Sportsmatic, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1970

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