Seiko Cal. 4550 - 747

The 4550-747 is a sought-after Solar piece from Seiko's golden era. Powered by the 4550 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-95b8b26352e8]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

Related Models

• Seiko 6186-795
• Seiko 3869-433
• Seiko 7121-409
• Seiko 6195-191
• Seiko 6694-318
• Seiko 5659-141
• Seiko 7093-394
• Seiko 5697-800
• Seiko 6164-183
• Seiko 6257-135
• Seiko 6375-357
• Seiko 4593-845