Seiko Cal. 6336 - 631

The Seiko 6336-631 represents an important milestone in Seiko's 1971 lineup. Powered by the 6336 caliber with 20j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-0e1953e2f12c]

Also known as: Goldfeather, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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