Seiko Cal. 7158 - 630

The 7158-630 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7158 caliber with 25j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-88c3d3bc24db]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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