Seiko Cal. 6140 - 387

The Seiko 6140-387 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-38ce3bc3d830]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1970

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