Seiko Cal. 5618 - 777

The Seiko 5618-777 represents an important milestone in Seiko's 1969 lineup. Powered by the 5618 caliber with 22j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-21acfd0bcdcb]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1969

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