Seiko Cal. 5278 - 506

The Seiko 5278-506 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-b73fb528bc15]

Also known as: Turtle, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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