Seiko Cal. 5628 - 970

The Seiko 5628-970 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-96a07e75ad60]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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