Seiko Cal. 6634 - 541

The 6634-541 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6634 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-b658236a9d4a]

Also known as: Sea Horse, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

Related Models

• Seiko 5287-428
• Seiko 6618-770
• Seiko 5672-884
• Seiko 6238-607
• Seiko 4434-352
• Seiko 6133-572
• Seiko 4580-826
• Seiko 6128-525
• Seiko 5672-861
• Seiko 0755-421
• Seiko 5663-885
• Seiko 6385-280