Seiko Cal. 5646 - 628

This Hand-Winding model from 1965 features a 40mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-132fc9ae9517]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1965

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