Seiko Cal. 6138 - 977

The 6138-977 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-ea85519748a8]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

Related Models

• Seiko 7176-764
• Seiko 6258-291
• Seiko 4416-679
• Seiko 0779-108
• Seiko 3876-489
• Seiko 6339-231
• Seiko 4576-437
• Seiko 7016-484
• Seiko 5215-225
• Seiko 7125-967
• Seiko 5250-970
• Seiko 6120-960