Seiko Cal. 3854 - 937

The 3854-937 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3854 caliber with 20j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-39e1bd4d563d]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

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