Seiko Cal. 6188 - 999

This Hand-Winding model from 1982 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-1c8bfed8fbde]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1982

Related Models

• Seiko 4476-837
• Seiko 4554-633
• Seiko 3815-608
• Seiko 0783-769
• Seiko 5647-348
• Seiko 5621-401
• Seiko 6170-156
• Seiko 6115-682
• Seiko 6358-967
• Seiko 4558-963
• Seiko 6644-351
• Seiko 7148-728