Seiko Cal. 7171 - 251

The 7171-251 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-cb17b2abf2a1]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1984

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