Seiko Cal. 4556 - 723

The Seiko 4556-723 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-bb0dcbfd4cee]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

Related Models

• Seiko 7158-544
• Seiko 3852-678
• Seiko 6152-276
• Seiko 7154-963
• Seiko 5292-889
• Seiko 7114-963
• Seiko 6243-750
• Seiko 6280-407
• Seiko 0771-770
• Seiko 5621-727
• Seiko 3822-868
• Seiko 5285-707