Seiko Cal. 5240 - 166

This Automatic model from 1979 features a 44mm Hardlex-Coated Steel case. Powered by the 5240 caliber with 17j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-ce96b55ceec0]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

Related Models

• Seiko 4480-157
• Seiko 7063-132
• Seiko 6398-930
• Seiko 6394-444
• Seiko 6321-746
• Seiko 3812-118
• Seiko 6330-383
• Seiko 5283-837
• Seiko 5619-995
• Seiko 7094-249
• Seiko 6373-822
• Seiko 6119-962