Seiko Cal. 5646 - 629

The Seiko 5646-629 represents an important milestone in Seiko's 1969 lineup. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-a3459b2eb21c]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1969

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