Seiko Cal. 5663 - 807

The Seiko 5663-807 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-72992b0632c0]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1979

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