Seiko Cal. 3850 - 756

The 3850-756 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3850 caliber with 22j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-64b0bec1fd1f]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1985

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