Seiko Cal. 6644 - 962

The Seiko 6644-962 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-fa0a18651646]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1965

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