Seiko Cal. 7171 - 987

The Seiko 7171-987 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-60a129abfd10]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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