Seiko Cal. 6164 - 557

The Seiko 6164-557 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-af7396e75f6e]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1978

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