Seiko Cal. 0731 - 539

The Seiko 0731-539 represents an important milestone in Seiko's 1997 lineup. Powered by the 0731 caliber with 33j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-1cc36c8304e7]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1997

Related Models

• Seiko 6189-346
• Seiko 6115-108
• Seiko 3827-272
• Seiko 6253-655
• Seiko 4463-508
• Seiko 5219-318
• Seiko 5277-473
• Seiko 5245-639
• Seiko 3871-940
• Seiko 4528-254
• Seiko 5680-824
• Seiko 6350-446