Seiko Cal. 6689 - 372

The Seiko 6689-372 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-9b6a7277f0d3]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

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