Seiko Cal. 6331 - 405

Seiko 6331-405

This Quartz model from 1991 features a 43mm Titanium case. Powered by the 6331 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-aa28c501b412]

Also known as: Tuna, Bullhead

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
43mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Burgundy
Jewels
33j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1991

Related Models

seikata-wm-aa28c501b412