Seiko Cal. 0770 - 180

Seiko 0770-180

The Seiko 0770-180 represents an important milestone in Seiko's 1986 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7404daaa6c9b]

Also known as: Monster, Sumo

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
15.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1986

Related Models

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