Seiko Cal. 6358 - 556

The Seiko 6358-556 represents an important milestone in Seiko's 1970 lineup. Powered by the 6358 caliber with 32j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-0037fa26dd91]

Also known as: Sumo, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1970

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