Seiko Cal. 6687 - 975

The Seiko 6687-975 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-587b85bb0214]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1971

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