Seiko Cal. 6138 - 251

The Seiko 6138-251 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-290daaf1f9d4]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1980

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