Seiko Cal. 6638 - 662

This Spring Drive model from 1993 features a 46mm Titanium case. Powered by the 6638 caliber with 22j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-a8b5712d3858]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1993

Related Models

• Seiko 4426-478
• Seiko 6631-232
• Seiko 7143-193
• Seiko 7030-272
• Seiko 4421-733
• Seiko 7021-706
• Seiko 7111-290
• Seiko 7131-175
• Seiko 4415-380
• Seiko 6163-289
• Seiko 6185-710
• Seiko 3819-918