Seiko Cal. 4540 - 101

This Hand-Winding model from 1966 features a 46mm Hardlex-Coated Steel case. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-817223c359b6]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1966

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