Seiko Cal. 4556 - 318

This Hand-Winding model from 1989 features a 46mm Two-Tone case. Powered by the 4556 caliber with 29j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-b772cb02e260]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1989

Related Models

• Seiko 5219-471
• Seiko 6191-384
• Seiko 5273-750
• Seiko 6357-308
• Seiko 3819-300
• Seiko 6196-848
• Seiko 6689-790
• Seiko 7160-493
• Seiko 3873-413
• Seiko 4595-186
• Seiko 4549-284
• Seiko 6632-360