Seiko Cal. 7027 - 736

This Spring Drive model from 1987 features a 37mm Stainless Steel case. Powered by the 7027 caliber with 31j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-c3a0c176fae4]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1987

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