Seiko Cal. 7189 - 687

Seiko 7189-687

This Hand-Winding model from 1978 features a 43mm Two-Tone case. Powered by the 7189 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-0700f0ad2d05]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1978

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