Seiko Cal. 4561 - 636

The 4561-636 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-f0190db3928e]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1985

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