Seiko Cal. 7040 - 364

The Seiko 7040-364 represents an important milestone in Seiko's 1977 lineup. Powered by the 7040 caliber with 31j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-1fe2efa91cca]

Also known as: Goldfeather, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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