Seiko Cal. 4512 - 633

Released in 1981, the Cal. 4512 with design code 633 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-dd9bd079d0dd]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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