Seiko Cal. 7166 - 653

The 7166-653 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7166 caliber with 36j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-c7fbad4c31df]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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