Seiko Cal. 5681 - 739

Seiko 5681-739

This Kinetic model from 1970 features a 40mm Two-Tone case. Powered by the 5681 caliber with 32j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-78ce54750bab]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1970

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seikata-wm-78ce54750bab