Seiko Cal. 6678 - 535

The Seiko 6678-535 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-88d34326115d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1988

Related Models

• Seiko 6322-100
• Seiko 5234-425
• Seiko 4465-225
• Seiko 3849-864
• Seiko 3810-443
• Seiko 6623-409
• Seiko 6645-162
• Seiko 5236-445
• Seiko 0761-840
• Seiko 6395-609
• Seiko 3885-815
• Seiko 4594-263