Seiko Cal. 7028 - 739

The 7028-739 is a sought-after Solar piece from Seiko's golden era. Powered by the 7028 caliber with 22j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-b3cd810e00e8]

Also known as: Shogun, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1972

Related Models

• Seiko 0718-964
• Seiko 7169-318
• Seiko 3881-608
• Seiko 7159-653
• Seiko 6686-819
• Seiko 6393-298
• Seiko 7151-685
• Seiko 6667-527
• Seiko 7189-381
• Seiko 6275-396
• Seiko 7046-538
• Seiko 3839-255