Seiko Cal. 0744 - 307

Seiko 0744-307

The 0744-307 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0744 caliber with 25j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-9eda4f1ab710]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1986

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