Seiko Cal. 5666 - 255

The 5666-255 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5666 caliber with 34j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-6f68a7509fa6]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1982

Related Models

• Seiko 5265-817
• Seiko 4444-181
• Seiko 7173-564
• Seiko 5676-236
• Seiko 0729-323
• Seiko 6131-540
• Seiko 6685-866
• Seiko 4574-535
• Seiko 6619-309
• Seiko 6692-857
• Seiko 5271-803
• Seiko 4588-322