Seiko Cal. 7146 - 442

The 7146-442 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7146 caliber with 25j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-a1a5bcb4cc97]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1978

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