Seiko Cal. 7145 - 183

This Spring Drive model from 1977 features a 46mm PVD Black case. Powered by the 7145 caliber with 28j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-057454fe9484]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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