Seiko Cal. 7155 - 680

Seiko 7155-680

The Seiko 7155-680 represents an important milestone in Seiko's 1988 lineup. Powered by the 7155 caliber with 30j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-4d451539ff2b]

Also known as: Sumo, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1988

Related Models

seikata-wm-4d451539ff2b