Seiko Cal. 6380 - 687

The Seiko 6380-687 represents an important milestone in Seiko's 1969 lineup. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-e46ed7d276f5]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

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