Seiko Cal. 7078 - 640

The Seiko 7078-640 represents an important milestone in Seiko's 1965 lineup. Powered by the 7078 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-2bbfe14170ab]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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