Seiko Cal. 6661 - 155

Seiko 6661-155

This Automatic model from 1987 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9935b9ef3e53]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1987

Related Models

seikata-wm-9935b9ef3e53