Seiko Cal. 0731 - 378

The Seiko 0731-378 represents an important milestone in Seiko's 1988 lineup. Powered by the 0731 caliber with 26j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-2d501676d56d]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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