Seiko Cal. 6657 - 502

The Seiko 6657-502 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-966d11119cb8]

Also known as: Samurai, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1965

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