Seiko Cal. 3890 - 437

This Spring Drive model from 1999 features a 39mm Two-Tone case. Powered by the 3890 caliber with 20j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-cec0cd7021a4]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1999

Related Models

• Seiko 4531-117
• Seiko 6167-880
• Seiko 5651-528
• Seiko 6613-630
• Seiko 6125-373
• Seiko 4412-301
• Seiko 3810-428
• Seiko 6152-297
• Seiko 6615-604
• Seiko 7073-135
• Seiko 5242-751
• Seiko 6653-904