Seiko Cal. 6139 - 663

The Seiko 6139-663 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-d57035463481]

Also known as: Crown, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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