Seiko Cal. 7191 - 728

The Seiko 7191-728 represents an important milestone in Seiko's 1981 lineup. Powered by the 7191 caliber with 25j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-2f460b3be38b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

Related Models

• Seiko 3841-887
• Seiko 5690-351
• Seiko 5681-293
• Seiko 6334-261
• Seiko 3821-294
• Seiko 4457-945
• Seiko 6674-122
• Seiko 7091-852
• Seiko 7121-484
• Seiko 4457-935
• Seiko 6197-156
• Seiko 7038-829