Seiko Cal. 6171 - 504

Released in 1970, the Cal. 6171 with design code 504 was part of Seiko's domestic market collection. Powered by the 6171 caliber with 28j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-6567dcd630f1]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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