Seiko Cal. 5617 - 785

This Solar model from 1975 features a 40mm PVD Black case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-5a5ddc6d6a1e]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

Related Models

• Seiko 6193-692
• Seiko 7039-847
• Seiko 7058-535
• Seiko 6293-632
• Seiko 3876-351
• Seiko 3862-697
• Seiko 6395-917
• Seiko 3875-174
• Seiko 7122-725
• Seiko 3842-935
• Seiko 7028-585
• Seiko 6626-372