Seiko Cal. 3880 - 699

This Automatic model from 1971 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-9d5dc0a6fd3f]

Also known as: Bullhead, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1971

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