Seiko Cal. 3840 - 934

Released in 1965, the Cal. 3840 with design code 934 was part of Seiko's domestic market collection. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-57622db296df]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1965

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