Seiko Cal. 6691 - 175

The Seiko 6691-175 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-081b2cda155b]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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