Seiko Cal. 5635 - 858

The 5635-858 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5635 caliber with 17j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-6fd9f12b4a40]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1985

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