Seiko Cal. 6693 - 380

The Seiko 6693-380 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-98f9c3cac61d]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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