Seiko Cal. 3881 - 513

The Seiko 3881-513 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-a4b1176bca1d]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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