Seiko Cal. 7171 - 660

The Seiko 7171-660 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-d59971abf87b]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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