Seiko Cal. 6370 - 613

The 6370-613 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6370 caliber with 22j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-75208c3cb928]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1972

Related Models

• Seiko 7054-208
• Seiko 3873-370
• Seiko 6287-765
• Seiko 5276-830
• Seiko 5638-749
• Seiko 6667-296
• Seiko 5633-252
• Seiko 3841-908
• Seiko 7127-253
• Seiko 6660-803
• Seiko 6633-733
• Seiko 7132-916