Seiko Cal. 3887 - 576

This Spring Drive model from 1978 features a 40mm Two-Tone case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ae9bac593c79]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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