Seiko Cal. 6378 - 308

Released in 1981, the Cal. 6378 with design code 308 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-b888aa3eb3aa]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

Related Models

• Seiko 6676-282
• Seiko 3821-152
• Seiko 4525-158
• Seiko 7065-337
• Seiko 3831-324
• Seiko 6661-475
• Seiko 7142-905
• Seiko 6685-490
• Seiko 6359-102
• Seiko 6337-399
• Seiko 4582-830
• Seiko 5299-370