Seiko Cal. 5644 - 253

The 5644-253 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-e3db28f4d4bf]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1965

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