Seiko Cal. 5665 - 121

This Quartz model from 1985 features a 36mm Hardlex-Coated Steel case. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-ed1bef0ddf96]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1985

Related Models

• Seiko 7182-683
• Seiko 5683-600
• Seiko 0778-771
• Seiko 3830-404
• Seiko 0753-799
• Seiko 4437-902
• Seiko 6262-863
• Seiko 5615-118
• Seiko 0734-599
• Seiko 4534-576
• Seiko 6274-247
• Seiko 5650-753