Seiko Cal. 6133 - 631

The Seiko 6133-631 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-45b82d320e77]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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