Seiko Cal. 6684 - 717

This Spring Drive model from 1997 features a 36mm Stainless Steel case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d130199a2505]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1997

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