Seiko Cal. 6340 - 815

The 6340-815 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6340 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-1cb55e2dc8d6]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

Related Models

• Seiko 4445-949
• Seiko 7113-250
• Seiko 6659-541
• Seiko 7115-890
• Seiko 0721-678
• Seiko 0714-553
• Seiko 0713-468
• Seiko 7072-289
• Seiko 0742-769
• Seiko 5660-384
• Seiko 4551-992
• Seiko 6669-418