Seiko Cal. 5630 - 383

The 5630-383 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5630 caliber with 25j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-d4007bc52221]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1979

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