Seiko Cal. 5638 - 262

This Hand-Winding model from 1978 features a 41mm PVD Black case. Powered by the 5638 caliber with 21j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-fee1afc62c40]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

Related Models

• Seiko 0735-915
• Seiko 6636-829
• Seiko 5616-835
• Seiko 6122-670
• Seiko 4545-962
• Seiko 6378-704
• Seiko 4511-410
• Seiko 3892-576
• Seiko 4584-411
• Seiko 6676-891
• Seiko 5681-460
• Seiko 7011-814