Seiko Cal. 4537 - 779

Released in 1970, the Cal. 4537 with design code 779 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-bd4ce1fce5ab]

Also known as: Rally, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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