Seiko Cal. 7170 - 542

The Seiko 7170-542 represents an important milestone in Seiko's 1969 lineup. Powered by the 7170 caliber with 35j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-86ef2604712d]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1969

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