Seiko Cal. 6658 - 709

Released in 1983, the Cal. 6658 with design code 709 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-7d0a8fab3e42]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1983

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