Seiko Cal. 6657 - 964

The Seiko 6657-964 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-f1d4024f18a3]

Also known as: Pogue, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1966

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