Seiko Cal. 6331 - 447

Seiko 6331-447

The Seiko 6331-447 represents an important milestone in Seiko's 1990 lineup. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-077b320d2318]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1990

Related Models

seikata-wm-077b320d2318