Seiko Cal. 4477 - 897

The Seiko 4477-897 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-fd83afc296ab]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

Related Models

• Seiko 6193-800
• Seiko 6620-405
• Seiko 6347-495
• Seiko 5267-201
• Seiko 0734-445
• Seiko 6368-392
• Seiko 6299-266
• Seiko 6164-372
• Seiko 7074-480
• Seiko 6380-992
• Seiko 3841-435
• Seiko 3875-627