Seiko Cal. 6640 - 252

The Seiko 6640-252 represents an important milestone in Seiko's 1985 lineup. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-0ce698656067]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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