Seiko Cal. 6610 - 302

Released in 1966, the Cal. 6610 with design code 302 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-deb8bbef28a2]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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