Seiko Cal. 5654 - 666

The 5654-666 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5654 caliber with 25j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-f9bd01f58020]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

Related Models

• Seiko 7156-915
• Seiko 3820-908
• Seiko 6173-189
• Seiko 6257-417
• Seiko 5653-743
• Seiko 7018-262
• Seiko 4540-306
• Seiko 6278-283
• Seiko 7023-616
• Seiko 6214-742
• Seiko 6125-760
• Seiko 7018-122