Seiko Cal. 7171 - 637

The Seiko 7171-637 represents an important milestone in Seiko's 1984 lineup. It features a Cream dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-a3bc73786895]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1984

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