Seiko Cal. 5690 - 630

This Spring Drive model from 1970 features a 37mm PVD Black case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-412197004859]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

Related Models

• Seiko 4442-260
• Seiko 5237-515
• Seiko 5254-354
• Seiko 7093-865
• Seiko 5263-285
• Seiko 6342-315
• Seiko 6613-608
• Seiko 4514-559
• Seiko 4441-622
• Seiko 3828-886
• Seiko 7082-215
• Seiko 4462-737