Seiko Cal. 6140 - 938

The Seiko 6140-938 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-6cd88a9d4e9a]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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