Seiko Cal. 4551 - 604

The Seiko 4551-604 represents an important milestone in Seiko's 1969 lineup. Powered by the 4551 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-65ebcdc7ff53]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

Related Models

• Seiko 6292-930
• Seiko 6693-457
• Seiko 3848-351
• Seiko 3861-193
• Seiko 6667-792
• Seiko 6617-297
• Seiko 4525-202
• Seiko 5253-254
• Seiko 5668-214
• Seiko 6233-634
• Seiko 4456-674
• Seiko 6672-516