Seiko Cal. 6638 - 134

The 6638-134 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6638 caliber with 36j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-5f1f75e3d961]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

Related Models

• Seiko 7083-923
• Seiko 6382-145
• Seiko 7098-136
• Seiko 5677-722
• Seiko 6646-606
• Seiko 6175-877
• Seiko 4414-587
• Seiko 6378-958
• Seiko 5226-471
• Seiko 4410-209
• Seiko 5232-790
• Seiko 7024-676