Seiko Cal. 6378 - 361

The 6378-361 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6378 caliber with 22j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-986ab55febba]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1992

Related Models

• Seiko 6192-321
• Seiko 3886-710
• Seiko 6182-195
• Seiko 4432-783
• Seiko 7116-392
• Seiko 6667-620
• Seiko 5644-697
• Seiko 5617-958
• Seiko 4433-769
• Seiko 0737-759
• Seiko 5292-569
• Seiko 7127-580