Seiko Cal. 5660 - 424

Released in 1983, the Cal. 5660 with design code 424 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-35094dca930e]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1983

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