Seiko Cal. 7135 - 644

Seiko 7135-644

The Seiko 7135-644 represents an important milestone in Seiko's 1971 lineup. Powered by the 7135 caliber with 23j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-a4ee9e8a11e6]

Also known as: Shogun, Rally

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1971

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