Seiko Cal. 6387 - 693

Released in 1987, the Cal. 6387 with design code 693 was part of Seiko's domestic market collection. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-8bd3dea017b3]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1987

Related Models

• Seiko 6386-891
• Seiko 6363-856
• Seiko 4424-426
• Seiko 0721-295
• Seiko 6163-765
• Seiko 6126-417
• Seiko 6144-829
• Seiko 7144-804
• Seiko 7166-985
• Seiko 4563-945
• Seiko 3878-486
• Seiko 6313-874