Seiko Cal. 7189 - 392

The 7189-392 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7189 caliber with 31j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-9b829ee8ffd5]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1978

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