Seiko Cal. 5660 - 284

The Seiko 5660-284 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-eb033118f7ae]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1976

Related Models

• Seiko 4458-463
• Seiko 7144-409
• Seiko 5293-895
• Seiko 0716-701
• Seiko 3870-345
• Seiko 3855-173
• Seiko 5662-180
• Seiko 4474-255
• Seiko 6143-425
• Seiko 0798-993
• Seiko 4567-805
• Seiko 6126-671