Seiko Cal. 6634 - 554

The 6634-554 is a sought-after Solar piece from Seiko's golden era. Powered by the 6634 caliber with 33j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-fa155eee4b8c]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1993

Related Models

• Seiko 6259-504
• Seiko 6291-168
• Seiko 6192-287
• Seiko 4445-773
• Seiko 6679-404
• Seiko 6382-735
• Seiko 5292-784
• Seiko 5238-915
• Seiko 4498-991
• Seiko 6330-972
• Seiko 7167-724
• Seiko 3845-343