Seiko Cal. 6639 - 369

The Seiko 6639-369 represents an important milestone in Seiko's 1993 lineup. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-ec483ead263d]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1993

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