Seiko Cal. 3877 - 603

The Seiko 3877-603 represents an important milestone in Seiko's 1976 lineup. Powered by the 3877 caliber with 24j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-8a564dd0ae21]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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