Seiko Cal. 3854 - 748

Seiko 3854-748

The Seiko 3854-748 represents an important milestone in Seiko's 1968 lineup. Powered by the 3854 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-a2f4e9ae2e87]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
15.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Champagne
Jewels
31j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1968

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