Seiko Cal. 5681 - 231

This Kinetic model from 1978 features a 45mm PVD Black case. With its 22mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-6cc2b3d61215]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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