Seiko Cal. 6263 - 370

The 6263-370 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6263 caliber with 27j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-61c1f316a93a]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

Related Models

• Seiko 5670-438
• Seiko 7011-746
• Seiko 5648-842
• Seiko 6367-742
• Seiko 4543-582
• Seiko 6310-429
• Seiko 7149-209
• Seiko 6223-686
• Seiko 7116-763
• Seiko 6247-917
• Seiko 3818-965
• Seiko 7078-381