Seiko Cal. 6641 - 854

The Seiko 6641-854 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-b1e011b714fd]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1967

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