Seiko Cal. 6651 - 905

The 6651-905 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6651 caliber with 29j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-eccad428c31b]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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