Seiko Cal. 5628 - 881

This Hand-Winding model from 1967 features a 37mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-1850bb8485a8]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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