Seiko Cal. 0765 - 255

The Seiko 0765-255 represents an important milestone in Seiko's 1985 lineup. Powered by the 0765 caliber with 27j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-279981b4c40d]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1985

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