Seiko Cal. 7165 - 720

The 7165-720 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7165 caliber with 31j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-15efcbf67e3a]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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