Seiko Cal. 5681 - 139

This Hand-Winding model from 1990 features a 38mm PVD Black case. Powered by the 5681 caliber with 20j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-26767ca29533]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

Related Models

• Seiko 0799-425
• Seiko 3814-360
• Seiko 0757-590
• Seiko 6143-980
• Seiko 3832-877
• Seiko 0711-642
• Seiko 6351-642
• Seiko 5212-420
• Seiko 4432-562
• Seiko 7124-214
• Seiko 6286-396
• Seiko 4522-327