Seiko Cal. 7052 - 839

The Seiko 7052-839 represents an important milestone in Seiko's 1980 lineup. Powered by the 7052 caliber with 17j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-4a8e2a235358]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1980

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