Seiko Cal. 7171 - 136

Released in 1978, the Cal. 7171 with design code 136 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-c1bae13abcaa]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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