Seiko Cal. 5644 - 354

The 5644-354 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-505fffb053ea]

Also known as: Bellmatic, Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1965

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