Seiko Cal. 5658 - 838

The Seiko 5658-838 represents an important milestone in Seiko's 1985 lineup. Powered by the 5658 caliber with 20j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-1e59e754201f]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1985

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