Seiko Cal. 5644 - 724

The 5644-724 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-1e3b43299c4c]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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