Seiko Cal. 6654 - 566

This Spring Drive model from 1976 features a 46mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-a2efefd59c08]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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