Seiko Cal. 3877 - 447

This Automatic model from 1977 features a 35mm Titanium case. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-a96d4eb407ba]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1977

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