Seiko Cal. 5644 - 610

Released in 1995, the Cal. 5644 with design code 610 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-12239701cafe]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1995

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