Seiko Cal. 5681 - 718

Seiko 5681-718

This Automatic model from 1976 features a 40mm Two-Tone case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1044a3b3ace8]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Cream
Jewels
35j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1976

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seikata-wm-1044a3b3ace8