Seiko Cal. 7140 - 771

The Seiko 7140-771 represents an important milestone in Seiko's 1972 lineup. Powered by the 7140 caliber with 20j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-c31dcfe918da]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1972

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