Seiko Cal. 3881 - 436

The Seiko 3881-436 represents an important milestone in Seiko's 1987 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-b03a68ed04dd]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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