Seiko Cal. 4591 - 418

The Seiko 4591-418 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-25aba5481af4]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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