Seiko Cal. 4556 - 678

This Automatic model from 1977 features a 45mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-e2245249ef08]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

Related Models

• Seiko 5238-987
• Seiko 5693-561
• Seiko 7186-162
• Seiko 5227-782
• Seiko 5225-474
• Seiko 5298-669
• Seiko 6373-281
• Seiko 7113-167
• Seiko 6169-180
• Seiko 4498-436
• Seiko 7026-742
• Seiko 6254-839