Seiko Cal. 5611 - 638

Released in 1991, the Cal. 5611 with design code 638 was part of Seiko's domestic market collection. Powered by the 5611 caliber with 31j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-ecab478ce7db]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1991

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