Seiko Cal. 7071 - 339

The Seiko 7071-339 represents an important milestone in Seiko's 1992 lineup. Powered by the 7071 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-27e167e9e262]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1992

Related Models

• Seiko 0744-458
• Seiko 6262-584
• Seiko 7047-592
• Seiko 6199-820
• Seiko 7110-959
• Seiko 6160-451
• Seiko 3839-361
• Seiko 5253-310
• Seiko 7055-943
• Seiko 7048-615
• Seiko 7039-195
• Seiko 7173-181