Seiko Cal. 7138 - 641

The Seiko 7138-641 represents an important milestone in Seiko's 1996 lineup. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-d07aa532c36f]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1996

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