Seiko Cal. 6363 - 209

The Seiko 6363-209 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-4553d4ebd60a]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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