Seiko Cal. 5644 - 723

The Seiko 5644-723 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-bb56b9b36d7e]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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