Seiko Cal. 0728 - 791

The 0728-791 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0728 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-64d5e3e596a3]

Also known as: Samurai, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1987

Related Models

• Seiko 4524-191
• Seiko 4585-552
• Seiko 6354-462
• Seiko 0744-114
• Seiko 6366-622
• Seiko 3838-623
• Seiko 6297-103
• Seiko 0720-538
• Seiko 6338-727
• Seiko 7074-245
• Seiko 5238-964
• Seiko 6640-341