Seiko Cal. 0731 - 674

The Seiko 0731-674 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-2788ea6a6825]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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