Seiko Cal. 6149 - 428

The 6149-428 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-3bb15e5a1c41]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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