Seiko Cal. 4428 - 878

This Hand-Winding model from 1974 features a 41mm Two-Tone case. It features a Champagne dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-3c5bdfdbaa95]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1974

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