Seiko Cal. 7145 - 136

The 7145-136 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7145 caliber with 33j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-2299c98c4e08]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1976

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