Seiko Cal. 4540 - 150

This Hand-Winding model from 1998 features a 40mm Stainless Steel case. Powered by the 4540 caliber with 34j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-326dd508d38f]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1998

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