Seiko Cal. 6390 - 136

The Seiko 6390-136 represents an important milestone in Seiko's 1987 lineup. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-695a99f24d78]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

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