Seiko Cal. 6634 - 513

The 6634-513 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6634 caliber with 33j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-19ca6cbdbdba]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1999

Related Models

• Seiko 6210-917
• Seiko 6295-595
• Seiko 5639-709
• Seiko 4424-954
• Seiko 5250-352
• Seiko 0783-224
• Seiko 7024-580
• Seiko 7053-412
• Seiko 0773-711
• Seiko 6163-962
• Seiko 7115-387
• Seiko 5230-425