Seiko Cal. 4550 - 491

Seiko 4550-491

This Spring Drive model from 1990 features a 43mm Two-Tone case. Powered by the 4550 caliber with 29j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-f17ea23b1ccb]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
White
Jewels
29j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1990

Related Models

seikata-wm-f17ea23b1ccb