Seiko Cal. 0770 - 480

The Seiko 0770-480 represents an important milestone in Seiko's 1972 lineup. Powered by the 0770 caliber with 23j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-9886fdf92b44]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1972

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