Seiko Cal. 6681 - 737

The Seiko 6681-737 represents an important milestone in Seiko's 1972 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-09a3631014f6]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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