Seiko Cal. 5258 - 633

The Seiko 5258-633 represents an important milestone in Seiko's 1988 lineup. Powered by the 5258 caliber with 21j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-fc30ea41e818]

Also known as: Monster, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1988

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