Seiko Cal. 5661 - 283

This Solar model from 1972 features a 42mm PVD Black case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a5d4f9ea80fb]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

Related Models

• Seiko 3862-932
• Seiko 7144-737
• Seiko 0779-814
• Seiko 7175-612
• Seiko 0738-944
• Seiko 6384-892
• Seiko 6352-433
• Seiko 5216-279
• Seiko 6312-663
• Seiko 6399-684
• Seiko 6656-346
• Seiko 5649-683