Seiko Cal. 7170 - 839

The Seiko 7170-839 represents an important milestone in Seiko's 1976 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-76492397573f]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1976

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