Seiko Cal. 0741 - 507

Seiko 0741-507

The Seiko 0741-507 represents an important milestone in Seiko's 1979 lineup. Powered by the 0741 caliber with 20j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-8ff01b1d9930]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
200m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1979

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