Seiko Cal. 5661 - 394

Seiko 5661-394

This Automatic model from 1988 features a 39mm Titanium case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3115ef826e09]

Also known as: Monster, Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Silver
Jewels
34j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1988

Related Models

seikata-wm-3115ef826e09