Seiko Cal. 6213 - 428

The 6213-428 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-0fa908aaa109]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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