Seiko Cal. 4413 - 233

This Spring Drive model from 1985 features a 42mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-7da19c4921d0]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1985

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