Seiko Cal. 4440 - 887

This Hand-Winding model from 1978 features a 39mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-7667a158dcbd]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

Related Models

• Seiko 7017-784
• Seiko 7151-452
• Seiko 6227-699
• Seiko 6265-816
• Seiko 6293-632
• Seiko 6327-449
• Seiko 4480-629
• Seiko 4549-556
• Seiko 3838-322
• Seiko 5215-605
• Seiko 7157-154
• Seiko 4550-489