Seiko Cal. 6647 - 177

The Seiko 6647-177 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-fd18027174d9]

Also known as: Pogue, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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