Seiko Cal. 5635 - 311

The Seiko 5635-311 represents an important milestone in Seiko's 1975 lineup. Powered by the 5635 caliber with 27j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-f9e584e60286]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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