Seiko Cal. 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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