Seiko Cal. 0770 - 255

This Hand-Winding model from 1984 features a 44mm Stainless Steel case. Powered by the 0770 caliber with 24j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-58923ced05eb]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1984

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