Seiko Cal. 6687 - 670

The Seiko 6687-670 represents an important milestone in Seiko's 1998 lineup. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-f64d5dcb4dff]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1998

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