Seiko Cal. 6647 - 477

The Seiko 6647-477 represents an important milestone in Seiko's 1992 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-0ea5a2b9aae5]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1992

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