Seiko Cal. 6691 - 550

Seiko 6691-550

This Automatic model from 1999 features a 44mm Two-Tone case. Powered by the 6691 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-16afeb6c3253]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Burgundy
Jewels
28j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1999

Related Models

seikata-wm-16afeb6c3253