Seiko Cal. 5630 - 918

The Seiko 5630-918 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c80682af948a]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1987

Related Models

• Seiko 4453-334
• Seiko 7176-351
• Seiko 4464-299
• Seiko 7019-640
• Seiko 4445-679
• Seiko 4553-741
• Seiko 5231-852
• Seiko 6235-594
• Seiko 0742-386
• Seiko 6279-589
• Seiko 6176-481
• Seiko 7151-481