Seiko Cal. 5657 - 207

The Seiko 5657-207 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8ad0f82a2732]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1972

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