Seiko Cal. 6691 - 645

Seiko 6691-645

This Spring Drive model from 1990 features a 39mm Stainless Steel case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-221d3d91bab8]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1990

Related Models

seikata-wm-221d3d91bab8