Seiko Cal. 0770 - 803

The 0770-803 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0770 caliber with 21j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-0b0452521d01]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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