Seiko Cal. 6363 - 693

The 6363-693 is a sought-after Solar piece from Seiko's golden era. Powered by the 6363 caliber with 31j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-1470b545a2d7]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1969

Related Models

• Seiko 7036-440
• Seiko 0738-734
• Seiko 7138-244
• Seiko 7098-256
• Seiko 4478-183
• Seiko 6337-563
• Seiko 6257-435
• Seiko 7034-850
• Seiko 5634-631
• Seiko 6280-122
• Seiko 6137-207
• Seiko 6668-993