Seiko Cal. 3863 - 240

The 3863-240 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3863 caliber with 17j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-5355d939aafd]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1996

Related Models

• Seiko 7124-631
• Seiko 5294-571
• Seiko 5296-443
• Seiko 6347-882
• Seiko 7154-477
• Seiko 4462-938
• Seiko 6643-340
• Seiko 7025-914
• Seiko 6670-407
• Seiko 6357-247
• Seiko 6142-212
• Seiko 6228-795