Seiko Cal. 4520 - 546

This Hand-Winding model from 1978 features a 42mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-7a9ea8311f6e]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

Related Models

• Seiko 7135-707
• Seiko 4574-812
• Seiko 0786-484
• Seiko 6664-832
• Seiko 4542-268
• Seiko 0719-556
• Seiko 4590-771
• Seiko 6149-717
• Seiko 6268-245
• Seiko 3874-992
• Seiko 6628-239
• Seiko 4457-927