Seiko Cal. 6310 - 831

Seiko 6310-831

This Spring Drive model from 1986 features a 35mm PVD Black case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-01d69a19e938]

Also known as: Monster, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1986

Related Models

seikata-wm-01d69a19e938