Seiko Cal. 3817 - 263

This Solar model from 1993 features a 37mm Hardlex-Coated Steel case. Powered by the 3817 caliber with 18j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-d97cde2fc305]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1993

Related Models

• Seiko 6699-223
• Seiko 6119-200
• Seiko 3870-273
• Seiko 3842-546
• Seiko 4524-868
• Seiko 7188-816
• Seiko 0760-313
• Seiko 6185-674
• Seiko 4558-277
• Seiko 6329-904
• Seiko 6327-244
• Seiko 0786-245