Seiko Cal. 3871 - 577

The Seiko 3871-577 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-53b2abf7e95c]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1968

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