Seiko Cal. 6144 - 757

The Seiko 6144-757 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-c0b08efa2273]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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