Seiko Cal. 4551 - 364

This Hand-Winding model from 1987 features a 44mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-ee968e276bae]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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