Seiko Cal. 3877 - 437

Released in 1974, the Cal. 3877 with design code 437 was part of Seiko's domestic market collection. Powered by the 3877 caliber with 22j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-2ff564ff9563]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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