Seiko Cal. 4428 - 712

This Quartz model from 1974 features a 40mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-9d94ee637887]

Also known as: Bellmatic, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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