Seiko Cal. 5652 - 634

The 5652-634 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5652 caliber with 20j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-8771ddc35ccb]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1985

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