Seiko Cal. 6358 - 137

The Seiko 6358-137 represents an important milestone in Seiko's 1987 lineup. Powered by the 6358 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-d6aa4d689ce1]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1987

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