Seiko Cal. 5640 - 607

This Quartz model from 1998 features a 39mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-19231f8beabe]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1998

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