Seiko Cal. 7172 - 509

The Seiko 7172-509 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-eec1fe8d8a37]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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