Seiko Cal. 5630 - 628

The Seiko 5630-628 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-d338bd4257e7]

Also known as: Turtle, Bullhead

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1973

Related Models

• Seiko 4499-812
• Seiko 4599-186
• Seiko 7187-112
• Seiko 4545-960
• Seiko 7118-560
• Seiko 7079-935
• Seiko 4596-108
• Seiko 6170-158
• Seiko 7190-779
• Seiko 3815-702
• Seiko 7030-550
• Seiko 6352-896