Seiko Cal. 7181 - 176

The 7181-176 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7181 caliber with 24j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-442f96474b18]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

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