Seiko Cal. 3887 - 748

This Automatic model from 1984 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-eafcd3726dda]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1984

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