Seiko Cal. 6636 - 254

The 6636-254 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6636 caliber with 28j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-274f37090933]

Also known as: Navigator, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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