Seiko Cal. 7078 - 639

The 7078-639 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7078 caliber with 35j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-2a2c57e2fd56]

Also known as: Rally, Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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