Seiko Cal. 7027 - 731

Seiko 7027-731

The Seiko 7027-731 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5f23df6f65d0]

Also known as: Sumo, Bullhead

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1991

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