Seiko Cal. 0739 - 680

Seiko 0739-680

The 0739-680 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0739 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-b90dcacfe3ae]

Also known as: Monster, Navigator

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
35mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1981

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