Seiko Cal. 5634 - 154

The Seiko 5634-154 represents an important milestone in Seiko's 1971 lineup. Powered by the 5634 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-eb399bdb224b]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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