Seiko Cal. 5651 - 577

The Seiko 5651-577 represents an important milestone in Seiko's 1985 lineup. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-c559f9c73940]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1985

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