Seiko Cal. 5681 - 242

This Spring Drive model from 1989 features a 44mm Hardlex-Coated Steel case. Powered by the 5681 caliber with 22j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-eccc942777a6]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1989

Related Models

• Seiko 6250-458
• Seiko 6612-611
• Seiko 5657-647
• Seiko 6147-450
• Seiko 4510-887
• Seiko 7189-358
• Seiko 5242-884
• Seiko 4498-318
• Seiko 5664-117
• Seiko 7095-178
• Seiko 7035-161
• Seiko 6390-253