Seiko Cal. 0730 - 531

This Hand-Winding model from 1984 features a 41mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-45c09ac86638]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1984

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