Seiko Cal. 6658 - 306

This Spring Drive model from 1969 features a 46mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-ff0b3623ceb5]

Also known as: Goldfeather, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1969

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