Seiko Cal. 5644 - 524

The 5644-524 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-322ccde06e0a]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1971

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