Seiko Cal. 5241 - 307

This Hand-Winding model from 1978 features a 43mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-6e7a8b58bcdf]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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