Seiko Cal. 6657 - 273

This Hand-Winding model from 1975 features a 44mm Gold-Plated case. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-a19f9a7a3d15]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

Related Models

• Seiko 0728-652
• Seiko 4528-585
• Seiko 3818-256
• Seiko 6254-685
• Seiko 3857-940
• Seiko 5630-760
• Seiko 0733-100
• Seiko 4562-424
• Seiko 5298-286
• Seiko 6117-320
• Seiko 0728-122
• Seiko 7099-757