Seiko Cal. 6231 - 578

The 6231-578 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-8887c251143e]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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