Seiko Cal. 6368 - 640

The 6368-640 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6368 caliber with 28j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-194a905e5f72]

Also known as: Shogun, Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1998

Related Models

• Seiko 4490-455
• Seiko 3845-965
• Seiko 4531-597
• Seiko 6131-116
• Seiko 6211-815
• Seiko 6645-844
• Seiko 3826-983
• Seiko 0713-863
• Seiko 4588-758
• Seiko 5683-622
• Seiko 3850-594
• Seiko 5644-764