Seiko Cal. 0770 - 718

The 0770-718 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0770 caliber with 34j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c96c9a493135]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1987

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