Seiko Cal. 6335 - 638

This Automatic model from 1981 features a 40mm Hardlex-Coated Steel case. Powered by the 6335 caliber with 28j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-ad2e32d954f6]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1981

Related Models

• Seiko 4480-818
• Seiko 7120-528
• Seiko 5680-962
• Seiko 7143-883
• Seiko 0727-687
• Seiko 6262-608
• Seiko 4580-646
• Seiko 6287-703
• Seiko 4435-167
• Seiko 6693-255
• Seiko 6678-747
• Seiko 5693-683