Seiko Cal. 6634 - 207

The Seiko 6634-207 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-570f669b37ab]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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