Seiko Cal. 6361 - 103

The 6361-103 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-4b24eacfc0d7]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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