Seiko Cal. 7181 - 546

Seiko 7181-546

The Seiko 7181-546 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-752fdd54e696]

Also known as: Turtle, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1979

Related Models

seikata-wm-752fdd54e696