Seiko Cal. 6378 - 286

The Seiko 6378-286 represents an important milestone in Seiko's 1991 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-fb586aa1ed85]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1991

Related Models

• Seiko 6111-638
• Seiko 4492-472
• Seiko 5233-619
• Seiko 5221-198
• Seiko 6676-525
• Seiko 6328-103
• Seiko 5299-641
• Seiko 4498-733
• Seiko 7015-480
• Seiko 4549-268
• Seiko 4442-793
• Seiko 6619-906