Seiko Cal. 7186 - 791

The 7186-791 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7186 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-0967e79a949f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1976

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