Seiko Cal. 6636 - 135

The Seiko 6636-135 represents an important milestone in Seiko's 1986 lineup. Powered by the 6636 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-9a197da69e33]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1986

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