Seiko Cal. 5648 - 879

This Hand-Winding model from 1977 features a 46mm Stainless Steel case. It features a Cream dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-5eea3b2cf9ad]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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