Seiko Cal. 6255 - 474

This Hand-Winding model from 1977 features a 46mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-b2880dd90b6e]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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