Seiko Cal. 7091 - 285

This Spring Drive model from 1970 features a 42mm Gold-Plated case. Powered by the 7091 caliber with 35j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-701e42ae91a2]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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