Seiko Cal. 4591 - 761

The Seiko 4591-761 represents an important milestone in Seiko's 1975 lineup. Powered by the 4591 caliber with 25j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-5da9d9b59098]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1975

Related Models

• Seiko 6377-863
• Seiko 5624-920
• Seiko 0775-571
• Seiko 4565-453
• Seiko 0789-125
• Seiko 7075-576
• Seiko 5681-295
• Seiko 5619-182
• Seiko 0730-757
• Seiko 0757-245
• Seiko 6646-865
• Seiko 7196-266