Seiko Cal. 6659 - 395

This Spring Drive model from 1976 features a 39mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-aec504bccf4b]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1976

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