Seiko Cal. 5635 - 540

The Seiko 5635-540 represents an important milestone in Seiko's 1985 lineup. Powered by the 5635 caliber with 25j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-ff70955b30ac]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1985

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