Seiko Cal. 4591 - 995

Seiko 4591-995

This Quartz model from 1988 features a 41mm Two-Tone case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e6f1a63a2b89]

Also known as: Monster, Helmet

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
41mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
32j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1988

Related Models

seikata-wm-e6f1a63a2b89