Seiko Cal. 4510 - 188

This Hand-Winding model from 1975 features a 37mm PVD Black case. Powered by the 4510 caliber with 26j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-087552a937c3]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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