Seiko Cal. 5631 - 704

Released in 1974, the Cal. 5631 with design code 704 was part of Seiko's domestic market collection. Powered by the 5631 caliber with 22j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-9a8fd88685ce]

Also known as: Emperor, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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