Seiko Cal. 7171 - 303

Released in 1972, the Cal. 7171 with design code 303 was part of Seiko's domestic market collection. Powered by the 7171 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-4022b34fbc70]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1972

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