Seiko Cal. 5678 - 680

Released in 1986, the Cal. 5678 with design code 680 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-50a7dd06d071]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1986

Related Models

• Seiko 4583-225
• Seiko 7071-845
• Seiko 6394-831
• Seiko 6649-755
• Seiko 4418-582
• Seiko 6285-166
• Seiko 6157-876
• Seiko 6262-106
• Seiko 7174-409
• Seiko 6617-409
• Seiko 6397-299
• Seiko 4489-275