Seiko Cal. 4530 - 647

The Seiko 4530-647 represents an important milestone in Seiko's 1978 lineup. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-f83578367abb]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

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