Seiko Cal. 4577 - 836

Released in 1982, the Cal. 4577 with design code 836 was part of Seiko's domestic market collection. Powered by the 4577 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-f34f35cfa2ec]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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