Seiko Cal. 5650 - 473

This Spring Drive model from 1980 features a 43mm Hardlex-Coated Steel case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ecb42dd90cba]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

Related Models

• Seiko 4468-557
• Seiko 0765-622
• Seiko 0739-778
• Seiko 6218-678
• Seiko 0735-239
• Seiko 6139-139
• Seiko 4581-445
• Seiko 6124-921
• Seiko 6390-557
• Seiko 4559-930
• Seiko 7194-693
• Seiko 5242-246