Seiko Cal. 6278 - 550

The 6278-550 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-c42d30854c60]

Also known as: UFO, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1976

Related Models

• Seiko 5287-313
• Seiko 4521-898
• Seiko 6177-912
• Seiko 6338-546
• Seiko 6184-790
• Seiko 7095-995
• Seiko 4433-798
• Seiko 6366-140
• Seiko 3816-129
• Seiko 6162-724
• Seiko 6142-505
• Seiko 5250-616