Seiko Cal. 5660 - 231

This Hand-Winding model from 1983 features a 34mm PVD Black case. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-d556c7e2f4ba]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1983

Related Models

• Seiko 0715-412
• Seiko 6314-467
• Seiko 5689-120
• Seiko 5671-195
• Seiko 6164-259
• Seiko 4534-630
• Seiko 3872-650
• Seiko 5633-853
• Seiko 6195-609
• Seiko 5216-914
• Seiko 3870-360
• Seiko 6217-767