Seiko Cal. 6140 - 987

Seiko 6140-987

This Hand-Winding model from 1983 features a 34mm Stainless Steel case. Powered by the 6140 caliber with 18j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-2dbb5142d6d1]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
White
Jewels
18j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1983

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