Seiko Cal. 5247 - 826

The 5247-826 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-8cb8d300da06]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1978

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