Seiko Cal. 6657 - 899

The Seiko 6657-899 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-631dd4fd92e0]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1969

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