Seiko Cal. 5647 - 733

The Seiko 5647-733 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-9213e5242bba]

Also known as: Sumo, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1966

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