Seiko Cal. 4477 - 518

This Automatic model from 1971 features a 38mm Hardlex-Coated Steel case. Powered by the 4477 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-0e4d3004f386]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

Related Models

• Seiko 6342-463
• Seiko 4433-110
• Seiko 3860-453
• Seiko 6252-259
• Seiko 7044-403
• Seiko 6318-781
• Seiko 6398-624
• Seiko 3872-148
• Seiko 6370-993
• Seiko 3869-842
• Seiko 6117-583
• Seiko 6399-616