Seiko Cal. 4596 - 992

Released in 1968, the Cal. 4596 with design code 992 was part of Seiko's domestic market collection. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-3be20de7b57c]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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