Seiko Cal. 7171 - 428

The Seiko 7171-428 represents an important milestone in Seiko's 1969 lineup. Powered by the 7171 caliber with 25j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-5575cb8d21a4]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1969

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