Seiko Cal. 5231 - 105

Seiko 5231-105

The Seiko 5231-105 represents an important milestone in Seiko's 1999 lineup. Powered by the 5231 caliber with 17j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-9e8d4ff89a6b]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
17j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1999

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