Seiko Cal. 5631 - 236

The Seiko 5631-236 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-338fd222af17]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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