Seiko Cal. 3837 - 638

The Seiko 3837-638 represents an important milestone in Seiko's 1999 lineup. Powered by the 3837 caliber with 22j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-028243e328b3]

Also known as: Silverwave, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1999

Related Models

• Seiko 7139-421
• Seiko 4487-943
• Seiko 5699-967
• Seiko 6214-464
• Seiko 6233-627
• Seiko 7192-467
• Seiko 7033-625
• Seiko 0792-950
• Seiko 0751-184
• Seiko 6228-218
• Seiko 7144-173
• Seiko 6349-393