Seiko Cal. 4577 - 173

This Hand-Winding model from 1970 features a 42mm Two-Tone case. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-7dfe4e69c25d]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

Related Models

• Seiko 6180-954
• Seiko 6388-619
• Seiko 6249-314
• Seiko 7093-399
• Seiko 6140-629
• Seiko 7015-548
• Seiko 7166-526
• Seiko 6610-639
• Seiko 6686-566
• Seiko 7068-247
• Seiko 4492-972
• Seiko 6176-365