Seiko Cal. 3827 - 738

The 3827-738 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-b1e0fe912dd0]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

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