Seiko Cal. 4591 - 681

The Seiko 4591-681 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-6010ee0b055f]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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