Seiko Cal. 6231 - 150

Seiko 6231-150

The Seiko 6231-150 represents an important milestone in Seiko's 1987 lineup. Powered by the 6231 caliber with 26j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-587842d66be3]

Also known as: Rally, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1987

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